August Weather in Columbus, United States

Last updated: June 24, 2025

In Columbus, United States, the average temperature in August hovers around 21°C (70°F). However, temperatures can swing from a cool 6°C (43°F) to a sweltering 37°C (100°F). Rainfall is modest, with about 21 mm (0.8 in) of precipitation spread across 5 days, while the air remains humid, averaging at a sticky 80%.

August Temperature in Columbus

In August in Columbus, the average temperature is 21°C (70°F). Maximums can reach 37°C (100°F) and minimums can drop as low as 6°C (43°F). This variety in temperatures makes Columbus an ideal destination for travelers seeking both warm days and cooler evenings.

August Weather in Columbus: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Columbus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Columbus, August typically has an average temperature of 21°C (70°F), with highs reaching up to 37°C (100°F) and lows dropping to around 6°C (43°F).

Data source: Temperature data for Columbus generated using information from the Copernicus Climate Change Service.

August Precipitation in Columbus

In Columbus in August, the precipitation amount is 21 mm (0.8 in) spread over a period of 5 days.

August Precipitation Trends in Columbus

The chart displays monthly precipitation patterns in Columbus, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Columbus, August typically receives around 21 mm (0.8 inches) of precipitation spread over approximately 5 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

August Humidity in Columbus

In Columbus in August humidity is 80%. With an average temperature of 21°C (70°F), this humidity feels like a warm, enveloping blanket that can make even short walks feel draining, urging travelers to seek shade or a cool drink frequently.

August Average Humidity in Columbus

This chart illustrates the average monthly humidity levels in Columbus, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Columbus is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Columbus

In Columbus in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Columbus.

Maximum UV Index Levels in Columbus for August

The chart shows the monthly maximum UV Index (UVI) for Columbus in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Columbus typically reaches 9, which falls under the very high exposure category.

Data source: Columbus August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How August Weather in Columbus Compares to Other Months

Weather in Columbus varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Columbus, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Columbus, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (24°F)	18 mm (0.7 inches)	85%	moderate
February Weather	-8°C (19°F)	48 mm (1.9 inches)	85%	moderate
March Weather	1°C (34°F)	37 mm (1.5 inches)	79%	high
April Weather	5°C (42°F)	66 mm (2.6 inches)	74%	very high
May Weather	12°C (53°F)	78 mm (3.1 inches)	76%	very high
June Weather	18°C (65°F)	61 mm (2.4 inches)	79%	extreme
July Weather	22°C (72°F)	20 mm (0.8 inches)	81%	very high
August Weather	21°C (70°F)	21 mm (0.8 inches)	80%	very high
September Weather	15°C (60°F)	47 mm (1.9 inches)	76%	very high
October Weather	6°C (43°F)	45 mm (1.8 inches)	74%	moderate
November Weather	1°C (34°F)	32 mm (1.3 inches)	81%	moderate
December Weather	-3°C (28°F)	29 mm (1.1 inches)	87%	low